Home / 14,245.46-21,379.83-10,089.55

Finding the Fourth Proportional to 14,245.46, 21,379.83 and 10,089.55

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Solution

The fourth proportional to 14,245.46, 21,379.83 and 10,089.55 is: 15,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.46 : 21,379.83 = 10,089.55 : x
  2. Step 2: Convert to fraction form
    14,245.46/21,379.83 = 10,089.55/x
  3. Step 3: Cross multiply
    14,245.46x = 21,379.83 × 10,089.55
  4. Step 4: Simplify right side
    14,245.46x = 215,712,863.78
  5. Step 5: Solve for x
    x = 215,712,863.78/14,245.46
  6. Step 6: Final answer
    x = 15,142.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.